Improved catalytic activity on transitioning from inverse to normal spinel in Zn<sub>2−<i>x</i></sub>Ga<sub>2<i>x</i></sub>Sn<sub>1−<i>x</i></sub>O<sub>4</sub>: a robust bifunctional OER and HER electrocatalyst
Reshmi Thekke Parayil, Santosh K. Gupta, Kalpana Garg, Shivangi Mehta, K. Sudarshan, M. Mohapatra, Tharamani C. Nagaiah
Abstract
ZnGa 2 O 4 acts as a bifunctional catalyst for both the OER and HER with a faradaic efficiency of 92 and 95% respectively. Fuel cell study also suggests higher stability of the electrodes for the overall water splitting up to 24 h.
Topics & Concepts
SpinelCatalysisBifunctionalFaraday efficiencyInverseWater splittingMaterials scienceInorganic chemistryChemistryCrystallographyElectrodeAnalytical Chemistry (journal)ElectrochemistryPhysical chemistryMetallurgyMathematicsGeometryPhotocatalysisChromatographyBiochemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research